Historical Development of periodic table

How many elements did Lavoisier discover?

• 33
• 15
• 40
• 25

Lothar Meyer suggested that there is not a periodic relationship for elements based on their atomic mass based on the graph he had plotted. (T/F)

• True

• False

• I don't know

• Maybe

How did Dmitri Mendeleev arrange the elements on the periodic table?

• By decreasing atomic mass and ignoring chemical properties.
• By grouping elements solely based on their color.
• By increasing atomic mass and grouping by chemical properties.
• By random arrangement without any specific criteria.

What is the name of the scientist that modernized the periodic table being used today?

• Moseley

• Newland

• Albert Einstein
• Meyer

Name two scientist responsible for the development of the periodic table based on the video

(a)